190067394 has 24 divisors (see below), whose sum is σ = 414937008. Its totient is φ = 57562240.

The previous prime is 190067369. The next prime is 190067407. The reversal of 190067394 is 493760091.

It is a super-2 number, since 2×190067394² = 72251228523902472, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111154 + ... + 112850.

It is an arithmetic number, because the mean of its divisors is an integer number (17289042).

Almost surely, 2^190067394 is an apocalyptic number.

190067394 is an abundant number, since it is smaller than the sum of its proper divisors (224869614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190067394 is an equidigital number, since it uses as much as digits as its factorization.

190067394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410 (or 1713 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 190067394 is about 13786.4931726672. The cubic root of 190067394 is about 574.9576719944.

The spelling of 190067394 in words is "one hundred ninety million, sixty-seven thousand, three hundred ninety-four".